B - Operations – Transporting – 41 – L
Patent
B - Operations, Transporting
41
L
101/82
B41L 21/00 (2006.01) B41F 7/06 (2006.01)
Patent
CA 1246935
Title: "Sheet-fed rotary printing press for one-sided multi-colour printing or recto and verso printing" ABSTRACT The invention relates to a sheet-fed rotary printing press of in-line construction which can be converted from a recto printing press to a reversible recto and verso printing press with at least one turning apparatus. In addition, apparatuses are provided for processing both paper as well as cardboard. In addition to a plate cylinder and a rubber-covered cylinder, each printing unit exhibits an impression cylinder of at least double diameter as well as a sheet transfer drum. One or more impression cylinders can be converted into storage drums with at least two sheet-guiding surfaces. The sheet transfer drum following each convertible impression cylinder is in the form of a turning cylinder with at least two pincer-type gripper systems. The use of pincer-type gripper systems in the turning cylinder guarantees that the back edge of the sheet is guided without bending throughout the entire turning process. All printing units, even those which are convertible to a turning apparatus, exhibit identical side parts.
474345
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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